Quick answers
- Does Allen A. Lill Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Allen A. Lill Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Allen A. Lill Jr. see?
- In 2024, CMS data shows 111 Original Medicare patients and 154 services for Allen A. Lill Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Allen A. Lill Jr.'s NPI number?
- 1356838213. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Allen A. Lill Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 111 |
|---|---|
| Services billed to Medicare | 154 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)45 services
- Emergency department visit with moderate level of medical decision making (99284)40 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)28 services
- Emergency department visit with low level of medical decision making (99283)17 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol74%
- Arthritis53%
- Ischemic heart disease39%
- Anxiety34%
- Chronic kidney disease34%
Hospitals where Allen A. Lill Jr. works
Medicare's Facility Affiliation Data lists Allen A. Lill Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Caldwell Medical CenterPrinceton, KY · Critical Access Hospital · Emergency services: listed by Medicare · CCN 181322
- Jennie Stuart Medical CenterHopkinsville, KY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 180051
Practice locations
Addresses where Allen A. Lill Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Medical Ctr DrPrinceton, KY 42445 (270) 365‑0300
- 320 W 18th StHopkinsville, KY 44240 (505) 287‑4446
Group practices
Medicare enrollment lists Allen A. Lill Jr. as a member of these groups (CMS data updated October 2, 2026).
- Fep of Kentucky LLC21 clinicians in the group
- RH Emergency Medicine of Caldwell Medical LLC9 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Princeton
Clinicians with the same Medicare primary specialty in Princeton, KY — not a recommendation.
Other clinicians in Fep of Kentucky LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2016 (10 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356838213 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians